John Lawrence Caldwell (1875–1922)

Non-career appointee
State of Residence: Kansas
  1. Envoy Extraordinary and Minister Plenipotentiary (Iran)
    Appointed: June 6, 1914
    Presentation of Credentials: September 19, 1914
    Termination of Mission: Appointment terminated. April 9, 1921
    • Commissioned to Persia. Caldwell left Persia on May 17, 1921.